Use of hydrophilic graft copolymers containing N-vinylamine and/or open-chain N-vinylamide units in cosmetic formulations
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United States of America Patent
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Mar 8, 2005
Grant Date -
Oct 23, 2003
app pub date -
Feb 20, 2003
filing date -
Aug 22, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to the use of graft copolymers obtained by radical graft copolymerisation of a) at least one open-chained N-vinylamide compound of general formula (I) wherein R.sup.1, R.sup.2, R.sup.3 represents H or C.sub.1 -C.sub.6 -alkyl and b) optionally, one or several other copolymerizeable monomers on a polymer graft base c) for cosmetic applications, with the proviso that if the polymer graft base is a compound containing polyether, the copolymerizeable polymer b) does not represent vinylester ##STR1##
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